#
config OPROFILE
- tristate "OProfile system profiling (EXPERIMENTAL)"
+ tristate "OProfile system profiling"
depends on PROFILING
depends on HAVE_OPROFILE
select RING_BUFFER
If unsure, say N.
-config OPROFILE_IBS
- bool "OProfile AMD IBS support (EXPERIMENTAL)"
- default n
- depends on OPROFILE && SMP && X86
- help
- Instruction-Based Sampling (IBS) is a new profiling
- technique that provides rich, precise program performance
- information. IBS is introduced by AMD Family10h processors
- (AMD Opteron Quad-Core processor "Barcelona") to overcome
- the limitations of conventional performance counter
- sampling.
-
- If unsure, say N.
-
config OPROFILE_EVENT_MULTIPLEX
bool "OProfile multiplexing support (EXPERIMENTAL)"
default n
for kernel debugging, non-intrusive instrumentation and testing.
If in doubt, say "N".
+config OPTPROBES
+ bool "Kprobes jump optimization support (EXPERIMENTAL)"
+ default y
+ depends on KPROBES
+ depends on !PREEMPT
+ depends on HAVE_OPTPROBES
+ select KALLSYMS_ALL
+ help
+ This option will allow kprobes to optimize breakpoint to
+ a jump for reducing its overhead.
+
config HAVE_EFFICIENT_UNALIGNED_ACCESS
bool
help
config HAVE_KRETPROBES
bool
+config HAVE_OPTPROBES
+ bool
#
# An arch should select this if it provides all these things:
#
config USE_GENERIC_SMP_HELPERS
bool
+config HAVE_REGS_AND_STACK_ACCESS_API
+ bool
+ help
+ This symbol should be selected by an architecure if it supports
+ the API needed to access registers and stack entries from pt_regs,
+ declared in asm/ptrace.h
+ For example the kprobes-based event tracer needs this API.
+
config HAVE_CLK
bool
help